act (v.) Copy link Outline A. Intrans.I. To be activeII. To conduct oneself, behave1. ăgo2. făcio, fēci, factum, 3 (esp. with adv.)3. gĕro, gessi, gestum, 3 (with refl. pron.)III. To perform on the stageIV. Of medicineB. Trans.1. ăgo, ēgi, actum, 32. sustĭneo, tĭnui, tentum. 2 • act (v.): A. Intrans. I. To be active: ăgo, ēgi, actum, 3: there is one time for acting, another for rest, aliud agendi tempus, aliud quiescendi, Cic.: Maecenas was a man who knew how to act, erat M. agendi sciens, Vell. II. To conduct oneself, behave: 1. ăgo: we act handsomely towards them, praeclare cum iis agimus, Cic.: with acc. to denote the character in which a person acts: to act as a friend, amicum a., Tac.: to act as a subordinate, ministrum a., Suet. Also with refl. pron.: to act haughtily, ferociter se a., Tac.: Sall. 2. făcio, fēci, factum, 3 (esp. with adv.): to act well or ill, recte aut perperam f., Cic.: Licinius a.'d like a gentleman in coming to me, fecit humaniter L. quod ad me venit, Cic.: v. to do. 3. gĕro, gessi, gestum, 3 (with refl. pron.): to act honourably, honeste se g., Cic.: to act as a citizen, se pro cive g., Cic.: to act shamefully upon an embassy, turpiter in legatione se g., Plin.: v. to behave oneself. Phr.: to act in such a way that, committere ut (also with inf. poet.): it is not like me so to act as to seem to have been negligent in correspondence, non est meum committere ut in scribendo negligens fuisse videar, Cic.: Caes.: to act cruelly towards any one, crudeliter in aliquem consulere, Liv.: Sall.: to act under the influence of passion and anger, cupidine atque ira grassari, Sall.: Tac. (v. to proceed). III. To perform on the stage: in scena esse, Cic.; in scenam prodire (the latter strictly to appear upon the stage): Nep. Pref. 5: Suet. (agere alone is simply to deliver, whether of an actor or an orator). Phr.: Domitian forbade players to act in public, D. interdixit histrionibus scenam, Suet.: to act and gesticulate upon the stage, gestum agere in scena, Cic. Or. 2, 57: v. infr. (trans.). IV. Of medicine: v. to operate. B. Trans.: to sustain a certain part, on the stage or fig.: 1. ăgo, ēgi, actum, 3: to act a comedy, comediam a., Pl.: to act the principal part, primas partes a., Ter. (v. part): Laberius acted his own farce, Laberius mimum suum egit, Suet. Hence fig.: to act the part of a principal or subordinate, principem, ministrum a., Suet.: Tac.: v. supr. (intrans.). To act frequently, actĭto, 1: Aeschines, when a young man, had often acted tragedies, Aeschines adolescens tragoedias actitaverat, Cic. ap. Aug.: Valens often acted farces, Valens mimos actitavit, Tac.: v. to play. 2. sustĭneo, tĭnui, tentum. 2: I act three parts all alone, tres personas unus s., Cic.: Suet.